Задача 31077.

Two balls weighing 0.2 g are suspended at a common point on the threads of length 0.5 m. Reported a charge of balls and thread separated by an angle of 90 °. Determine the strength and potential of the field at the point of suspension of the ball.

Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.

If you have any questions to address, please. I´ll try to help.